[网络] 硝酸杆菌属
(genus nitrobacter 的复数)

Pre-Listening Vocabulary binomial nomenclature: a two-part system for naming species (e.g., Panthera tigris) genus: a subdivision of a family of organisms (e.g., Panthera is the genus for tigers, lions and leopards, and a subdivision of the Felidae f

发表于:2018-12-19 / 阅读(383) / 评论(0) 分类 Facts-事实

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

发表于:2018-12-30 / 阅读(433) / 评论(0) 分类 国家地理2008年

Next Step After Carbon: Knowing Your Nitrogen Footprint This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 A carbon footprint is the amount of carbon dioxide pollution that we produce as a result of o

发表于:2019-01-10 / 阅读(274) / 评论(0) 分类 2011年VOA慢速英语(四)月

By Cathy Majtenyi Nairobi 23 March 2006 At least three aid agencies received letters from the Eritrean government this week directing the agencies to terminate their work in the country. The letters c

发表于:2019-01-11 / 阅读(362) / 评论(0) 分类 2006年VOA标准英语(三月)

今天要讲的惯用语里有个共同的词act。这真是个多义词,但是我们的时间有限说不了那么多,所以今天要说到的act都有表演的意思。比方说,我们要学的第一个习惯用语是:class act。 Class这里

发表于:2019-01-11 / 阅读(349) / 评论(0) 分类 美国习惯用语

Egyptian President Hosni Mubarak met on Monday with French President Nicolas Sarkozy and a European Union delegation to discuss ways to reach an immediate cease-fire in the Gaza Strip. While diplomatic talks have been unsuccessful in ending the viol

发表于:2019-01-13 / 阅读(260) / 评论(0) 分类 VOA标准英语2009年(一月)

From the moment Spaniards -- or was it Vikings? -- first dropped anchor and encountered the natives whom the Spanish called Indians (because they thought they had landed in India), the land now known as America has been a multicultural place. And of

发表于:2019-01-16 / 阅读(251) / 评论(0) 分类 VOA双语新闻 Bilingual News

Akane: Hey, Ruth. Ruth: Hi, Akane Akane: So we've been talking about your family a little bit. Um, I'd like to know a little bit more about the specific people in your family. Ruth: Sure Akane: So who is the funniest person in your family? Ruth: The

发表于:2019-01-16 / 阅读(254) / 评论(0) 分类 原版英语对话1000个

While I was observing this phenomenal creature, two jets of steam and water sprang from its blowholes and rose to an altitude of forty meters, 当我观察这只奇怪动物的时候,两道水和汽从它的鼻孔吐出来,直喷到叫十米的高度

发表于:2019-01-28 / 阅读(404) / 评论(0) 分类 《海底两万里》中英双语有声读物

Teen Inventors Fight Tinnitus Irish teenagers Eimear OCarroll and Rhona Togher developed a treatment they hope will help people with tinnitus, an unpleasant ringing in the ears. Cynthia Graber reports Ever get a ringing in your ears after a loud blas

发表于:2019-01-30 / 阅读(343) / 评论(0) 分类 60秒科学

By Cathy Majtenyi Nairobi 02 May 2006 A drying corn stalk in one of many farms in Adinefas in southern Eritrea The U.N. humanitarian representative for the Horn of Africa says Eritrea's government is

发表于:2019-01-31 / 阅读(333) / 评论(0) 分类 2006年VOA标准英语(五月)

When I was a little girl, I used to knit all the time. I used to knit jumpers and hats and scarves. I even used to knit little dolls sometimes: Snow White and the Seven Dwarfs for example. When you knit with two needles you can put the thread or the

发表于:2019-02-05 / 阅读(312) / 评论(0) 分类 原版英语对话1000个

Adrienne: So we just had Christmas and I see your knitting bag is out, did you knit anything for anyone for Christmas? Vivian: I started to knit for my granddaughters, but time caught up with me and I was making for them a poncho which consisted of t

发表于:2019-02-05 / 阅读(299) / 评论(0) 分类 原版英语对话1000个

By Lisa Schlein Geneva 15 June 2007 The World Food Program (WFP) says it has been able to successfully feed up to three million internally displaced people in Sudan's conflict-ridden province of Darfur. The organization says it has been able to do th

发表于:2019-02-09 / 阅读(411) / 评论(0) 分类 2007年VOA标准英语(六月)

By Phuong Tran Goz Beida, Chad 16 May 2007 In Chad, people are still arriving at camps to escape ethnic violence and bandit attacks along the Sudanese border. Humanitarian workers are often the first to reach out to people escaping from burning villa

发表于:2019-02-12 / 阅读(402) / 评论(0) 分类 2007年VOA标准英语(五月)

The light from our glass coils produced magical effects at times, lingering on the wrinkled roughness of some natural arch, 我们的蛇形玻璃管中的光学,照在这些天然的凹凸不平的拱形建筑物上面, or some overhang suspended

发表于:2019-02-17 / 阅读(428) / 评论(0) 分类 《海底两万里》中英双语有声读物

In the first group: organ-pipe coral, gorgonian coral arranged into fan shapes, soft sponges from Syria, isis coral from the Molucca Islands, sea-pen coral, wonderful coral of the genus Virgularia from the waters of Norway, various coral of the genus

发表于:2019-02-17 / 阅读(447) / 评论(0) 分类 《海底两万里》中英双语有声读物

A triggerfish, I said. 是一条箭鱼。我于是说了。 It's a Chinese triggerfish, Ned Land replied. 尼德兰回答:是一条中国箭鱼。 Genus Balistes, family Scleroderma, order Plectognatha, Conseil muttered. 康塞尔于是低声说:箭

发表于:2019-02-25 / 阅读(505) / 评论(0) 分类 《海底两万里》中英双语有声读物

There I saw again, but not yet pressed and dried like the Nautilus's specimens, some peacock's tails spread open like fans to stir up a cooling breeze, scarlet rosetangle, 我在这里又看到的,不是像在诺第留斯号船上风干的标本,而

发表于:2019-02-25 / 阅读(416) / 评论(0) 分类 《海底两万里》中英双语有声读物

At intervals it hands down decrees, declaring that Zauschneria californica (a common plant in rock gardens) 它不时下达命令,宣布从今以后加州倒挂金钟(一种普通的假山庭园植物) is to be known henceforth as Epilobium can

发表于:2019-02-26 / 阅读(484) / 评论(0) 分类 万物简史
学英语单词
15'-dioxygenase
acid converter process
air escape pipe
Amdassa
amicinafide
Aminex resin
anode screen
answerage
Arabian bird
automatic sequential connection
bearing lubrication system
benjamin franklin norris jr.s
benzyl magnesium chloride
birny
bloomier
Bohm, David
boutsen
CAMAC system
changeableness
chloramphenicon
cicim
cinnamenyl angelic acid
clad burst
closed-type hot-water heat-supply network
cognotize
combustion stability
common minnow
commw
component assignment diagram
conjugate domains
Corbridge
current feeding
D. C.
Diasporas
differential levelling
direction of polarization
Disporopsis pernyi
distance-sink-bolt
double difference codes
dumb ... down
ectosarcous
electro-magnetic unit
engl
esvs
gets those
glucorceptor
hemispheric sulci
heneicosane diacid
hpbw
Hudibrastic
imamates
incpient inflation
isopropyl-noradrenaline
it's like talking to a brick wall
jerad
kembel
Limonium myrianthum
living accommodation
local measure
log-preiodic antenna
low-returns
marriage consideration
multiple tamper
Mühlau
non skid
number pool
oil development
open ro -ro cargo space
Pachner move
peptideseguencey
peripheral storage control element
Pidarak
posterior funiculus
precipitin serum
pusher staff
qualitative temperature
quenching pulse
radiotransparent
range of tolerance
ream indexer
rejournments
relief from obligation
rental contract
seiurus aurocapilluss
skim away
slotted hex head screw
stone arrangement
strategic photographic reconnaissance
strong LL(K) condition
supercritica1 airfoi1 profi1e
swellelegous
SWOT analysis
tracheal cast
true conical projection
undecane diamidine
unroof
unyoung
vent cowling
vibration prediction
vida
water-bouge
Whauphill